Castine Weather in June

The climate in Castine during June can be summarized as mild and a little damp.

June is in the summer in Castine and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 11°C (53°F) is normal.

On average June is the 4th driest month of the year in Castine with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castine in June 2024.